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All Articles and Tips

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Title
Published Date
10 Reasons Why a Mini-Split Ductless Flare May Leak Refrigerant!
05/20/2020
10 Reasons a Blower Fan Won't Start in a Furnace, AC or Heat Pump
07/27/2022
20 Causes of Low Indoor Airflow on Ducted HVAC Units!
04/14/2021
40 Vacuum Tips for HVACR Technicians! Avoid Frustration!
07/22/2020
6 Reasons Why a Furnace Blower Fan Motor Won’t Shut Off!
05/03/2022
ATTIC FANS! Troubleshooting Common Problems!
06/14/2022
Adjusting the Airflow Speed on ECM Blower Fan Motors! (Variable & Multi-Speed Types)
05/19/2021
Adjusting the Furnace/AC Airflow Speed on a 120v PSC Blower Motor!
05/12/2021
An Additional Valve Core Removal Tool for your Vacuum Gauge! (Quick Tip)
04/14/2020
Can I measure a Negative Subcooling When Checking the Charge? (Quick Tip)
06/29/2020
Can you Braze Mini-Split systems instead of Flaring them?
09/12/2019
Charging a System in a Dry Climate? Consider a TXV and Accumulator!
06/11/2020
Checking the Charge of Air Conditioners without Measuring Pressure!
07/16/2020
Checking the Charge of a Mini-Split Unit!
05/06/2020
Clogged Liquid Line Filter Drier?
08/19/2020
Connect Your Gauges Sooner Than Later! (Quick Tip)
04/28/2020
Copper Tube Bending Tools and Methods
06/08/2022
Copper Tube Swaging and Deburring Tools!
07/13/2022
Determining the Cause of a Liquid Line Restriction Problem!
09/02/2019
Don't Get Locked Out! Locking Port Cap Quick Tip!
06/22/2021
Ductless Mini-Split Step-by-Step Installation
11/25/2020
Filter Drier, Solenoid Valve and Liquid Line Sight Locations in a Refrigeration System
01/28/2020
Finding a Low Voltage Short Quickly, Step by Step!
04/08/2021
Finding an Airflow Problem using Static Pressure Measurements!
06/21/2022
Free Shrader Valve Refrigerant Leak Tester (Quick Tip)
04/28/2020
Fridge or Freezer Compressor Not Starting? Test Start Relay, Overload, Capacitor, PTC Thermistor
04/18/2022
Gas Furnace Electrical Safety Switch Testing!
04/21/2021
HVAC DELTA T (ΔT) Explained for Air Conditioners!
03/25/2020
HVAC Electrical Training Board For Wiring, Components, Wiring Diagrams, Troubleshooting
06/01/2021
Heat Pump Pressure Switches
04/05/2019
How NOT to Check the Refrigerant Charge!
05/28/2020
How the Gas Pilot Light Functions and 10 Reasons Why the Pilot Light Goes Out or Won’t Stay Lit!
12/26/2019
How to Find Common, Start, and Run on a PSC Compressor Motor!
04/28/2021
How to Tell if a TXV Has Lost Part of its Bulb Charge! (Quick Tip)
05/01/2020
Is There an Easy Way to Tell if a Mini-Split Ductless Unit is Low on Refrigerant? (Quick Tip)
08/06/2020
Is a Triple Evacuation Necessary for a Deep Vacuum?
05/04/2020
Measuring Negative Superheat on an Air Conditioner? (Quick Tips)
05/01/2020
Measuring a Liquid Line Restriction Problem!
08/27/2019
Newer Methods that Make us Better Techs and Reduce Labor and Frustration! Top 15!
10/10/2019
Pressure Testing Gas Lines for Leaks! Natural Gas and Propane (LP)
05/09/2022
Protect Your Micron Gauge! (Quick Tip)
04/28/2020
R-22 and R-410A Operating Pressures, Charging and Recovery Setup!
06/24/2020
Recovery Bottle Weight
04/05/2019
Should I Check the Refrigerant Charge with Superheat or Subcooling?
04/19/2019
Suction Line Accumulator Tank Function, Location, & Purpose
07/20/2022
Superheat vs. Total Superheat
04/05/2019
TOP 5 HVAC CONTACTOR Troubleshooting Problems!
06/30/2021
TXV Bulb Mounting Position and External Equalization!
05/26/2021
Target Superheat
04/15/2019
Testing Capacitors
04/18/2019
Testing if an HVACR Compressor is Shorted to Ground, Open, or the Thermal Overload is Tripped!
04/11/2022
The Benefits of Using an Ultrasonic Leak Detector to Find Refrigerant Leaks!
02/03/2021
The HVAC Subcooling Charging Method, Explained!
04/08/2020
The Total Weight Method
04/15/2019
Tips For New HVACR Instructors with Ty and Craig!
06/28/2022
Top 10 Gas Water Heater Pilot Light Problems! When It Won’t Stay Lit!
05/06/2021
Top 10 Thermostat Related Problems
03/31/2020
Top 4 Reasons Why a Gas Furnace Short Cycles
01/08/2020
Top Ten Interview Tips to Land that HVAC/R Job!
09/07/2022
Troubleshooting a Cad Cell Flame Detector for an Oil Burner!
12/15/2021
Troubleshooting an Air Conditioning System with a Frozen Evaporator
08/21/2019
Troubleshooting an HVAC Control Board? How?
09/23/2020
Understanding Triple Evacuation
09/24/2019
Using the Total Superheat Charging Method for HVAC Units!
04/16/2020
What Components are in a Forced Air Gas Furnace? What do they Do?
10/21/2020
When Installing or Replacing an Air Conditioner, Use These Procedures for the Refrigerant Tubing!
06/09/2021
Where To Find R-22 & R410A Leaks on AC Units! Top 10 Spots!
09/29/2022
Why Can’t You Just Measure Pressures to Check a Refrigerant Charge?
04/22/2020
Why Do Some Evap Coils Leak While Others Do Not? (Quick Tip)
08/06/2020
Why a Start Capacitor Fails and Testing!
07/06/2022
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